Keyboard:                        Mouse:
  space     toggle animation       drag          pan
  b         dark mode              scroll        zoom
  g         gamma (2.2/none)       right-drag    rotate
  s         stem darkening         click         toggle animation
  d         debug heatmap          dblclick      reset view
  r         reset view             middle-drag   zoom
  =/-       zoom in/out
  [ ] { }   stretch              Touch:
  arrows    pan                    drag          pan
  h j k l   pan (vim)             pinch         zoom
  /         clean screen           3-finger      rotate
  ?         this help              tap           animate

Shortcuts:                       Text editor:
  t         edit text              Ctrl+Enter    apply
  f         load font              Esc           cancel
  w         switch backend
  R         reload page                  HarfBuzz